#include <fstream>

using namespace std;

ifstream in ("permutari.in");
ofstream out ("permutari.out");

bool ok[9],viz[9];
int v[9],n;

void permutari(int pos)
{
    if (pos==n+1)
    {
       for (int i=1;i<=n;i++)
            out<<v[i]<<" ";
        out<<'\n';
    }
    else 
    {
        for (int i=1;i<=n;i++)
            if (ok[i]==0)
            {
                ok[i]=1;
                v[pos]=i;
                permutari(pos+1);
                ok[i]=0;
            }
    }
}

int main()
{
    in>>n;
    permutari(1);
    return 0;
}